Trace number 1797781

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
minisat2-core 070721UNSAT 0.528919 0.528793

General information on the benchmark

Nameindustrial/babic/hsatv17/
hsat_vc11803.cnf
MD5SUM6c6fd606fd41d7205b07602118ad74a0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.528919
Satisfiable
(Un)Satisfiability was proved
Number of variables276402
Number of clauses798348
Sum of the clauses size2080196
Maximum clause length3
Minimum clause length1
Number of clauses of size 131560
Number of clauses of size 2251728
Number of clauses of size 3515060
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  276427                                               |
0.00/0.00	|  Number of clauses:    798348                                               |
0.39/0.46	|  Parsing time:         0.39         s                                       |
0.39/0.48	============================[ Search Statistics ]==============================
0.39/0.48	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.39/0.48	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.39/0.48	===============================================================================
0.39/0.48	|         0 |  244431   765332  2045639 |   255110        0    nan |  0.000 % |
0.49/0.52	===============================================================================
0.49/0.52	restarts              : 1
0.49/0.52	conflicts             : 42             (93 /sec)
0.49/0.52	decisions             : 1906           (2.10 % random) (4208 /sec)
0.49/0.52	propagations          : 148284         (327388 /sec)
0.49/0.52	conflict literals     : 116            (34.83 % deleted)
0.49/0.52	Memory used           : 50.68 MB
0.49/0.52	CPU time              : 0.452931 s
0.49/0.52	
0.49/0.52	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1797781-1242075375/watcher-1797781-1242075375 -o /tmp/evaluation-result-1797781-1242075375/solver-1797781-1242075375 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1797781-1242075375.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.13 1.03 1.01 3/65 11513
/proc/meminfo: memFree=1121984/2055920 swapFree=4180156/4192956
[pid=11513] ppid=11511 vsize=2852 CPUtime=0
/proc/11513/stat : 11513 (minisat_static) R 11511 11513 11352 0 -1 4194304 558 0 0 0 0 0 0 0 18 0 1 0 235566023 2920448 543 1992294400 134512640 135213614 4294956256 18446744073709551615 134736207 0 0 4096 3 0 0 0 17 0 0 0
/proc/11513/statm: 713 552 58 171 0 539 0

[startup+0.069274 s]
/proc/loadavg: 1.13 1.03 1.01 3/65 11513
/proc/meminfo: memFree=1121984/2055920 swapFree=4180156/4192956
[pid=11513] ppid=11511 vsize=19664 CPUtime=0.06
/proc/11513/stat : 11513 (minisat_static) R 11511 11513 11352 0 -1 4194304 4154 0 0 0 4 2 0 0 18 0 1 0 235566023 20135936 4089 1992294400 134512640 135213614 4294956256 18446744073709551615 134736207 0 0 4096 3 0 0 0 17 0 0 0
/proc/11513/statm: 4916 4089 58 171 0 4742 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 19664

[startup+0.102272 s]
/proc/loadavg: 1.13 1.03 1.01 3/65 11513
/proc/meminfo: memFree=1121984/2055920 swapFree=4180156/4192956
[pid=11513] ppid=11511 vsize=22140 CPUtime=0.09
/proc/11513/stat : 11513 (minisat_static) R 11511 11513 11352 0 -1 4194304 4798 0 0 0 7 2 0 0 18 0 1 0 235566023 22671360 4733 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 0 0 0
/proc/11513/statm: 5535 4734 58 171 0 5361 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 22140

[startup+0.30129 s]
/proc/loadavg: 1.13 1.03 1.01 3/65 11513
/proc/meminfo: memFree=1121984/2055920 swapFree=4180156/4192956
[pid=11513] ppid=11511 vsize=37752 CPUtime=0.29
/proc/11513/stat : 11513 (minisat_static) R 11511 11513 11352 0 -1 4194304 8699 0 0 0 25 4 0 0 19 0 1 0 235566023 38658048 8634 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 0 0 0
/proc/11513/statm: 9438 8635 58 171 0 9264 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 37752

Solver just ended. Dumping a history of the last processes samples

[startup+0.501314 s]
/proc/loadavg: 1.13 1.03 1.01 3/65 11513
/proc/meminfo: memFree=1121984/2055920 swapFree=4180156/4192956
[pid=11513] ppid=11511 vsize=51888 CPUtime=0.49
/proc/11513/stat : 11513 (minisat_static) R 11511 11513 11352 0 -1 4194304 11939 0 0 0 43 6 0 0 21 0 1 0 235566023 53133312 11874 1992294400 134512640 135213614 4294956256 18446744073709551615 134538921 0 0 4096 3 0 0 0 17 0 0 0
/proc/11513/statm: 12972 11874 74 171 0 12798 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 51888

Child status: 20
Real time (s): 0.528793
CPU time (s): 0.528919
CPU user time (s): 0.452931
CPU system time (s): 0.075988
CPU usage (%): 100.024
Max. virtual memory (cumulated for all children) (KiB): 51888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.452931
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11953
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 1

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node54 at 2009-05-11 22:56:17
IDJOB=1797781
IDBENCH=20463
IDSOLVER=651
FILE ID=node54/1797781-1242075375
PBS_JOBID= 9277619
Free space on /tmp= 66328 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT07/industrial/babic/hsatv17/hsat_vc11803.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1797781-1242075375/watcher-1797781-1242075375 -o /tmp/evaluation-result-1797781-1242075375/solver-1797781-1242075375 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1797781-1242075375.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 6c6fd606fd41d7205b07602118ad74a0
RANDOM SEED=97554244

node54.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.234
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.234
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1122464 kB
Buffers:         55212 kB
Cached:         796668 kB
SwapCached:       6552 kB
Active:          43964 kB
Inactive:       817184 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1122464 kB
SwapTotal:     4192956 kB
SwapFree:      4180156 kB
Dirty:           16676 kB
Writeback:           0 kB
Mapped:          14236 kB
Slab:            58228 kB
Committed_AS:   774636 kB
PageTables:       1368 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66328 MiB
End job on node54 at 2009-05-11 22:56:17